Brake for mill-trucks.



* PATENTED JULY 5, 1904.

G. L. HOUGHTON.

BRAKE FOR. MILL TRUCKS.

v APPLIGATION PILED 0012a, 1903.

NO MODEL.

v r 2 Z UNITED STATES Patented July 5, 1904:.

PATENT OFFICE.

CHARLES L. HOUGHTON, OF WESTFIELD, MASSACI-IUSIUITTS, ASSIGNOR OF- TVVO-THIRDS TO MARCIENE H. WI-IITCOMB, OF HOLYOKE, MASSACHU- SETTS, AND GEORGE E. ENO, OF SIMSBURY, CONNECTICUT.

BRAKE FOR MILL-TRUCKS- SPECIFIGATION forming part of Letters Patent No. 764,291, dated July 5, 1904-.

Application filed October 3, 1908. Serial No. 175,555. (No model.)

To (ti/Z 1.077107% it firm/y concern:

Be it known that I, CnAnLns L. Houon'ron, a citizen of the United States of America, residing at Westfield, in the county of Hampden and State of Massachusetts, have invented new and useful Improvements in Brakes for Mill-Trucks, of which the following is a spccification.

This invention relates to brake constructions, and especially to brakes for mill-trucks, the object of the invention being to provide a construction whereby when the tongue of the truck isin a horizontal position the brake will be inoperative, but will become set upon swinging the tongue upward to a substantially perpendicular position.

In the drawings forming part of this application, Figure 1 is a plan view of aportion of the forward end of the truck and its tongue, showing my improved brake devices applied thereto, the tongue being in a horizontal position. Fig. 2 is a sectional elevation of the parts shown in Fig. 1 with the tongue swung to a vertical position, the plane of the section being on line 2 2, Fig. 1.

Referring to the drawings, (0 indicates the truck-axle, and b the wheels. Projecting from the truck-axle, or, if preferred, its bolster, is a rigid bracket 0, in the forward end of which the tongue d is pivotally supported on a pin a. Extending transversely of the forward end of the truck and underneath the latter are two one end, as shown in Fig. 1, its opposite end being pivotally united to the inner ends of the brake-arms f. Preferably the ends of these arms are provided with an elongated slot and overlap with these slots in registration,

one bolt, 71:, serving to unite the two ends of the brake-arms and one end of the link From the foregoing description it will be seen that as long as the tongue (Z is horizontally disposed the truck may be moved at will without imparting any movement to the brakearms, movement being imparted to the truck from the tongue through the rigid bracket 0 and the pin 0, on which the tongue swings; but upon throwing the tongue upward to the position shown in Fig. 2 the link 1T will be swung downward and forward beneath the pin causing the outer ends of the brakearms to move rearwardly against the truckwheels, locking the latter. To hold the brake set, the tongue may be locked in its vertical position in any suitable manner, a convenient means being shown in the drawings, which consists in securing a loose ring m on the upper side of the tongue under a suitably-bent metal bar a and in providing on the forward end of the truck an upstanding pin 0, suitably located to permit the ring m to be dropped onto the pin when the tongue is swung upward to set the brake.

Obviously the brake would operate as effectively, though with less power, it only one brake-arm were employed instead of the two shown and described herein; but the latter construction is clearly better and is preferred.

Having thus described my invention, what I claim, and desire to secure by Letters Patent of the United States, is

The combination with the tongue of a truck pivotally supported on the latter to swing in a vertical plane, of a support for said tongue secured to the truck, of brake-arms pivotally supported on said tongue-support and extending transversely of the truck, with their outer ends in proximity to the wheel, a link with which the contiguous inner ends of the brakearms are connected, said link being connected with the rear end of the tongue eccentrically to the pivotal point of the latter.

Ol-IAHLES L. l'lUUUillllON.

Witnesses 1 K. I. Cnmn'ins, VVM. H. CIMPiN. 

